GPIO Name | Peripheral | Function | Alternate |
---|---|---|---|
PA 00 | USARTS interfaces | U0_RX | |
PA 01 | USARTS interfaces | U0_TX | |
PA 02 | SD/MMC | Card Detect | |
PA 03 | USARTS interfaces | U0_RTS | |
PA 04 | USARTS interfaces | U0_CTS | |
PA 05 | USARTS interfaces | U1_RX | |
PA 06 | USARTS interfaces | U1_TX | |
PA 07 | SD/MMC | Write Protect | |
PA 08 | USARTS interfaces | ||
PA 09 | USARTS interfaces | U1_CTS | |
PA 10 | SPI Header | SPI0_CS0 | |
PA 11 | USB | USB_ID | SPI Interface / SPI0_MISO |
PA 12 | SPI Interface | SPI0_MOSI | |
PA 13 | SPI Interface | SPI0_SCK | |
PA 14 | Dataflash | SPI1_CS0 | |
PA 15 | SPI Interface | SPI1_SCK | |
PA 16 | SPI Interface | SPI1_SCK | |
PA 17 | SPI Interface | SPI1_MISO | |
PA 18 | SD/MMC | SPI1_CS1 | |
PA 19 | LCD | SPI1_CS2 | |
PA 20 | Joystick | EXTINT_8 | |
PA 21 | Temperature Sensor | ADC0 | |
PA 22 | Potentiometer | ADC1 | |
PA 23 | Light sensor | ADC2 | |
PA 24 | Ethernet | EXTINT_3 | |
PA 25 | Joystick | SCAN_0 | |
PA 26 | Joystick | SCAN_1 | |
PA 27 | Joystick | SCAN_2 | |
PA 28 | Joystick | SCAN_3 | |
PA 29 | TWI | SDA | |
PA 30 | TWI | SCL |